48.It was great joy_________he received the news that his long lost son would return home
49.
| A．as | B．that | C．so | D．for |
The Prince and the Frog is a fairy musical that __________ the days when Walt Disney was a person, not a brand.
| A．was dated back to | B．dates back to |
| C．has been dating from | D．had dated from |
It was not until I reached my apartment building and unlocked the door __________ what the noise had been.
| A．that did I realize | B．before I realized |
| C．that I realized | D．did I realize |
It was not until I came here __________ I realized this place was famous for not only its beauty but also its weather.
| A．who | B．that | C．where | D．before |
The doctor is skilled at treating heart trouble and never accepts any gift from his patients, so he has a very good __________.
| A．expectation | B．reputation |
| C．contribution | D．civilization |
_________ he met with the difficulty did he realize the importance of our help.
| A．Even though | B．Never until |
| C．Only before | D．Ever since |